OT Cybersecurity Engineer – Maintenance & Site Support

# OT Cybersecurity Engineer – Maintenance & Site Support Abu Dhabi, UAEUnited Arab Emirates Capital of the UAE — sovereign wealth, regulators and large-scale transformation programmes.

We are seeking a hands-on OT Cybersecurity Engineer to provide day-to-day cybersecurity maintenance and technical support across Operational Technology and Industrial Control System environments. The role is focused on the operation, maintenance, hardening and security of DCS/SCADA and associated OT systems, rather than cybersecurity governance or high-level security architecture. You will work on site alongside Operations, Maintenance, Automation/Control Engineering, IT/OT Security and technology vendors to ensure OT systems remain secure, available and correctly maintained.

Experience with in an industrial or process-control environment is important. This may include Oil & Gas, energy, utilities, power, water, petrochemical, manufacturing or similar environments.
*
* Key Responsibilities:

* *- Provide day-to-day OT cybersecurity maintenance and technical support for industrial control environments.

- Support and maintain DCS, SCADA, HMI, engineering workstations, servers and associated OT infrastructure.

- Perform system and device hardening, secure configuration and security baseline maintenance.

- Support OS and antivirus patching, endpoint protection, VPN/secure access and OT network security controls.

- Monitor system logs and security alerts and escalate suspected cybersecurity incidents.

- Troubleshoot OT security, system and network issues in coordination with engineering and vendor teams.

- Maintain OT asset inventories, security configurations, system documentation and backup records.

- Perform and verify backups of OT systems and network/security device configurations.

- Support periodic OT cybersecurity health checks, vulnerability reviews and compliance activities.

- Support FAT, SAT, testing, commissioning and site implementation activities where required.

- Coordinate with automation/control-system OEMs and third-party contractors.

- Ensure maintenance and vendor activities comply with OT cybersecurity procedures and approved change-control processes.
* * Experience We're Looking For: * *- Approximately 4–7 years' experience in industrial automation, control systems, OT/ICS or cybersecurity, including practical exposure to OT cybersecurity.

- Hands-on experience with DCS, SCADA, PLC, HMI or industrial control environments.

- Experience with system hardening, patch management, antivirus/endpoint protection and secure configuration.

- Good understanding of industrial networking and OT network security.

- Experience troubleshooting Windows-based engineering workstations, servers and networked OT systems.

- Exposure to one or more industrial control-system platforms such as Honeywell, Yokogawa, Emerson, ABB, Siemens or Schneider Electric.

- General knowledge of industrial protocols such as Modbus, OPC/OPC UA, PROFINET or DNP
3.

- Awareness of ISA/IEC 62443, NIST or recognised OT cybersecurity practices.

- Experience with FAT/SAT, commissioning or site maintenance would be advantageous.

- Ability and willingness to work 100% on site.
*
* Qualifications:

* * A Bachelor's degree or diploma in Instrumentation, Electronics, Electrical Engineering, Automation/Control Engineering, Computer Engineering, IT, Cybersecurity or a related technical discipline is preferred. Relevant certifications in industrial automation, networking, cybersecurity or ISA/IEC 62443 would be advantageous but are not mandatory where the candidate has strong hands-on experience.
* * Work Environment:
* * This is a 100% site-based position in Abu Dhabi. The role requires regular interaction with Operations, Maintenance, Engineering, IT/OT Security and external automation vendors and contractors.